问题详情

W : How long can I keep the book？
M:__________
A.Yes. You can keep it.
B.No. I" m afraid you should return it now.
C.Three weeks. But you can renew it if you need it for a longer time.
D.You can take it at any time you want.请帮忙给出正确答案和分析，谢谢！